18-04-2017
Chemistry

contestada

the vertical columns on the periodic table of elements are called periods

Respuesta :

Olamitz Olamitz

18-04-2017

Yes, they are called periods. Pls do you need a confirmation on this and if not what is the question?

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Аноним Аноним

09-10-2019

Answer:

Whats the question? or did u just need clarification.

Explanation:

It is periods btw.

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